
  <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>Insert title here</title>
</head>
<body>
 <%
    Object message = session.getAttribute("sucess");
     if(message!=null && !"".equals(message)){
 
  %>
15      <script type="text/javascript">
16          alert("<%=message%>");
17      </script>
18  <%} %>
19 hello word!
20 </body>
21 </html>